——二个叔父孙学成、孙观成早年均因为贫穷必须远赴他乡做工谋生，在孙出生前后因病去世，孙看到清朝绩弱不振，受到外国强敌欺侮，增加自己从事反清革命的动机

语言是我们拥有的最强大的武器。

I’ve realized that the most important thing is to be happy with yourself.

Psychology must be free from all metaphysical entanglements.

The motor of our ingenuity is the question ‘Does it have to be like this?’, from which arise political reforms, scientific developments, improved relationships, better books.

The search for meaning is a futile endeavor.

The most important property of a program is whether it accomplishes the intention of its user.

Green development is not a multiple-choice question, but a must-answer question. We must unswervingly follow the path of green and low-carbon development.

生命太短暂，不能浪费时间去恨任何人。